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Finding the Fourth Proportional to 200,745.52, 301,234.90 and 89,937.52

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Solution

The fourth proportional to 200,745.52, 301,234.90 and 89,937.52 is: 134,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,745.52 : 301,234.90 = 89,937.52 : x
  2. Step 2: Convert to fraction form
    200,745.52/301,234.90 = 89,937.52/x
  3. Step 3: Cross multiply
    200,745.52x = 301,234.90 × 89,937.52
  4. Step 4: Simplify right side
    200,745.52x = 27,092,319,843.45
  5. Step 5: Solve for x
    x = 27,092,319,843.45/200,745.52
  6. Step 6: Final answer
    x = 134,958.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.